SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details - Foreign Currency Translation and Accumulated Other Comprehensive Loss) - USD ($)	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Accumulated Other Comprehensive Income (Loss) Net of Tax [Abstract]
Material gains or losses from foreign currency exchange transactions	$ 0	$ 0	$ 0
Foreign currency translation adjustment	(12,191,000)	(7,159,000)
Net unrealized loss on investments, net of tax	(848,000)	(435,000)
Total accumulated other comprehensive loss	(13,039,000)	(7,594,000)
Reclassifications out of accumulated other comprehensive loss	$ (808,000)	$ 0	$ 0